CN102460112B - Mixers for a viscometer and methods and computer-readable media for using the same - Google Patents
Mixers for a viscometer and methods and computer-readable media for using the same Download PDFInfo
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- CN102460112B CN102460112B CN201080019964.0A CN201080019964A CN102460112B CN 102460112 B CN102460112 B CN 102460112B CN 201080019964 A CN201080019964 A CN 201080019964A CN 102460112 B CN102460112 B CN 102460112B
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- hybrid element
- viscosity
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- axis
- cylinder
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/44—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement
- B01F31/445—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement performing an oscillatory movement about an axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/44—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement
- B01F31/449—Stirrers constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/213—Measuring of the properties of the mixtures, e.g. temperature, density or colour
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/2136—Viscosity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D24/00—Control of viscosity
- G05D24/02—Control of viscosity characterised by the use of electric means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N2011/0046—In situ measurement during mixing process
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Automation & Control Theory (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Accessories For Mixers (AREA)
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
Abstract
The present invention is directed to mixers for viscometers and methods of using the same. Such inventions are applicable, for example, to industrial processes such as printing. One embodiment of the invention is directed to a viscosity control system including a viscosity sensor, a mixing element, a shaft fixedly attached to the mixing element, and an actuator interfacing with the viscosity sensor and the shaft. The annular mixing element is oscillatable about an axis lying in a plane tangent to a point on a wall of the mixing element. The shaft is centered about the axis. The actuator receives a signal from the viscosity sensor and rotates the shaft and the mixing element in an oscillating manner about the axis. In some embodiments, the shaft rotates through an angle of less than 360 degrees.
Description
cROSS REFERENCE TO RELATED reference
Subject application request is the right of priority of the U.S. Provisional Patent Application case of 61/162,802 to the sequence number of filing an application on March 24th, 2009.The full content of this application case is hereby incorporated herein by reference.
Technical field
The present invention is directed to for viscosity meter mixer and use the method for described mixer.For example, this invents a bit and can be used for industrial technologies such as such as printing.
Background technology
It is basic nature that viscosity controls in current many manufactures and printing process.Viscosity is fluid measuring the resistance of the distortion caused due to shear stress or tension stress, but is usually regarded as " concentration " or the resistance to flow of fluid.The important quality that viscosity can be finished product (such as, lubricant, paint or ink) maybe can affect finished product (such as, printing material).May the more important thing is, unsuitable viscosity adversely can affect modern industrial equipment.For example, if the viscosity of printing-ink drops on beyond acceptable viscosity scope, so not only affect press quality, but also can printing machine be blocked.
In much technique, optionally watch-keeping also adjusts viscosity.In many cases, by adjusting viscosity to potpourri interpolation additional solvent and/or solute.This little additive can not be integrated with potpourri immediately, and therefore can not reach desired viscosity adjustment can not allow user with viscosity meter determine adjustment whether be enough to produce desired viscosity.
Various mixer is used to carry out mixed industrial chemicals, such as printing-ink.These mixers suffer multiple shortcoming.First, conventional mixer can spend about $ 500.This cost must be multiplied by the number of bucket to be mixed.Secondly, the air of significant quantity is incorporated in potpourri by many conventional mixer, when the fluid level especially in vessel is low.Except making viscosity measurement distortion, this air can make technique degradations such as such as printing.
Therefore, need a kind of can mixing material and be not incorporated to the device afforded of air.
Summary of the invention
The present invention relates to a kind of mixer for being combined with viscosity meter.One aspect of the present invention provides a kind of viscosity control system, and it comprises: viscosity sensor; Comprise the hybrid element of peripheral wall; Be fixedly attached to the axle of described hybrid element; And to be situated between the actuator connect with described viscosity sensor and described axle.Described hybrid element can around an axis vibration, and described axis is arranged in the plane of any be tangential on the described wall of described hybrid element.Described axle is centered by described axis.Described actuator makes described axle and described hybrid element vibrate around described axis.
Various embodiment can be had in this respect.Described annular hybrid element can comprise the multiple holes extended through described wall.Described hole can be essence circle.Described actuator can comprise the piston being positioned at cylinder at least in part.Described axle can comprise the lever arm being attached to described axle rigidly.Described piston can comprise piston rod, and described piston rod extends in the outside of described cylinder to engage described lever arm and to make when pressure is applied to described piston described axle vibrate along first direction at least in part.Described system can comprise air accessory, and compressed air is supplied to described cylinder pressure to be applied to the described piston in described cylinder by described air accessory.
Described actuator can comprise the flexible member with first end and the second end.Described first end can be attached to described lever arm and described second end can be attached to described cylinder.When pressure is applied to the described piston in described cylinder, described flexible member can move to extended position from neutral position.When discharging the described pressure in described cylinder, described flexible member turns back to described neutral position and rotates described axle along second direction.Described flexible member can be disc spring.Described hybrid element can be cylinder.Hunting range can be less than 360 °.
Another aspect of the present invention provides a kind of fluid mixer, and it comprises: the hybrid element comprising peripheral wall; Be fixedly attached to the axle of described hybrid element; And to be situated between the actuator connect with described viscosity sensor and described axle.Described hybrid element can around an axis vibration, and described axis is arranged in the plane of any be tangential on the described wall of described hybrid element.Described axle is centered by described axis.Described actuator makes described axle and described hybrid element vibrate around described axis.
Another aspect of the present invention provides a kind of method of the viscosity for controlling fluid.Described method comprises: the described viscosity using fluid described in viscosity meter; Hybrid element is positioned in described fluid, described hybrid element can around one axis vibration, described axis be arranged in be tangential to described hybrid element wall on the plane of a bit; Material is added to described fluid in response to the signal sent by described viscosity meter; And make described hybrid element around the vibration of described axis with by described material and described fluid chemical field.
Various embodiment can be had in this respect.Described annular hybrid element can vibrate through the angle being less than 360 degree.The to-and-fro movement of the piston in cylinder can be used move the axle being fixedly attached to described hybrid element and the vibratory movement completing described hybrid element.Described method can comprise the compressed air of use to move the described piston in described cylinder.Described method can be computer implemented method.
Another aspect of the present invention provides a kind of computer-readable media, and its content causes computing machine to perform the method for the viscosity for controlling fluid.Described method comprises: the described viscosity using fluid described in viscosity meter; Hybrid element is positioned in described fluid; Material is added to described fluid in response to the signal sent by described viscosity meter; And make described hybrid element around the vibration of described axis with by described material and described fluid chemical field.Described mixed cell can around one axis vibration, described axis be arranged in be tangential to described mixed cell wall on the plane of a bit.
Various embodiment can be had in this respect.For example, described computer-readable media can be nonvolatile and tangible.
Accompanying drawing explanation
For more fully understanding character of the present invention and desired target, with reference to the detailed description carried out below in conjunction with accompanying drawing, wherein same reference character representation corresponding component in all several views, and in accompanying drawing:
Fig. 1 is the skeleton view comprising the system of mixer and viscosity meter according to an embodiment of the invention.
Fig. 2 A and Fig. 2 B is the vertical view of hybrid element according to an embodiment of the invention.
Embodiment
The present invention relates to the mixer for being combined with viscosity meter.With reference to Fig. 1, provide viscosity control system 100.Viscosity control system 100 comprises viscosity meter.Viscosity meter can be any one in various known-viscosity meter, and these viscosity meters comprise whereabouts piston viscometer, falling-sphere viscometer, vibration viscometer, rotational viscosimeter, this special objective case (Stabinger) viscosity take into account Stormer (Stormer) viscosity meter.Viscosity meter can the various sources of Nuo Keluosi company (Norcross Corporation) of self-contained (for example) Massachusetts (Massachusetts) newton (Newton) be buied.
Embodiment depicted in figure 1 comprises whereabouts piston viscometer.Whereabouts piston viscometer comprises back shaft 102, and back shaft 102 is connected to the support 104 for stay pipe 106.Lifter cylinder 108 is periodically promoted, whereby jigger lifting piston 110.At lifting up piston 110 to make after pipe 106 is full of liquid to be measured, namely to discharge lifter cylinder 108 and piston 110, thus piston 110 is allowed to be fallen by gravity and fluid in vent pipe 106.Piston 110 moves to the parallel-plate that close proximity is similar to for viscosity in pipe 106 place and tests.The various embodiments of whereabouts piston viscometer are described in the 5th, 959, No. 196, the 4th, 154, No. 094, the 3rd, 686, No. 931, the 3rd, 677, No. 070 and the 3rd, and in 304, No. 765 United States Patent (USP)s, the content of these patents is hereby incorporated herein by reference.Although describe lifter cylinder 108 and piston 110 with independent label in this illustrates, lifter cylinder 108 and piston 110 are single component and can be made by same material in certain embodiments.
In one embodiment, lifter cylinder 108 is activated by the pneumatic actuator be contained in unit 112 (displaying).Other actuating component comprises electrically, machinery, hydraulic actuation component etc.
Mixer comprises the mixing axle 116 be coupled with hybrid element 118.In certain embodiments, hybrid element is cylinder (namely by being parallel to boning out and the surface formed through each in the straight line of given curve).In certain embodiments, hybrid element is annular.In yet another embodiment, hybrid element 118 has the approximate level cross-sectionn being selected from the shape of the group be made up of the following: square, rectangle, triangle, circle, avette, polygon, parallelogram, rhombus, annular, crescent, semicircle, oval, hyperelliptic shape and deltiod.Exemplary hybrid element 118a is described in Fig. 2 A.In other element, those elements such as, described in Fig. 2 B, hybrid element 118b is discontinuous, but comprises at least one open end.This little embodiment comprises the element of the level cross-sectionn with approximate " Y ", " U ", " X " etc.
In certain embodiments, hybrid element 118 has solid peripheral wall.In other embodiments, hybrid element 118 comprises one or more hole 120 in wall, and hole 120 promotes that when mobile hybrid element liquid mixes.Hole 120 can be circle or has (such as) approximate xsect being selected from the shape of the group be made up of the following: square, rectangle, triangle, circle, avette, polygon, parallelogram, rhombus, annular, crescent, semicircle, oval, hyperelliptic shape and deltiod.
Mixing axle 116 and hybrid element 118 pass through such as nail, screw rod, bolt, pin, rivet, welding, brazing, soldering, bonding agent, crimping, are attached by clamp structures such as press fits.Hybrid element 118 can removable mode be attached to make various hybrid element can use to take into account various vessel shape and fluid behaviour together with same mixer.
Mixing axle 116 vibrates by several device.In the embodiment of the present invention that Fig. 1 is illustrated, mixing axle is coupled with lever arm 122.Lever arm 122 contact piston 124, in one embodiment, piston 124 is pneumatically actuated.When raises lift cylinder 108, air flow to cylinder 130, thus causes piston 124 to stretch out, and promotes lever arm 122, and rotates mixing axle 116 and hybrid element 118 along negative θ direction.When air flowing stops, extension spring 126 works and depresses piston 124 and rotate mixing axle 116 and hybrid element 118 along positive θ direction.
Hybrid element 118 is configured in the embodiment of the present invention of the one or more identical At The Height in viscosity meter element 102,104,106,108 or 110 wherein, and the hunting range of hybrid element 118 will be limited to the scope being less than 360 ° usually.For example, hunting range can be about 270 °, 180 °, 90 °, 60 °, 45 °, 30 ° etc.Hybrid element is configured in the embodiment of the present invention lower than the At The Height of viscosity meter element 102,104,106,108 or 110 wherein, and the hunting range of hybrid element 118 can extend over 360 °.
Can use several device that piston is turned back to its rest position.For example, cylinder 130 can containing the compression disc spring in order to piston 124 to be back into rest position.Cylinder 130 can comprise air release to allow air to overflow from cylinder 130 when air stops to the flowing in cylinder 130.Or air can return through providing the pipe of described air.In another embodiment, mixer shafts 116 is coupled with spring to make mixer shafts 116 and piston 124 turn back to starting position.In another embodiment, tension spring is coupled to back shaft 102 and lever 122.
In other embodiments, piston 124 and/or mixing axle 116 by such as motor or servomotor etc. electrically, machinery or hydraulic component operation.
Lever 122 and piston 124 can various configuration couplings.In one embodiment, lever 122 and piston 124 are by being kept together all or in part by the pressure compressed and/or tension force produces.Obtain this configuration by embodiment as described above, wherein spring applies power to shift lever 122 against piston 124 part onto.
In another embodiment, lever and piston are coupled by one or several mechanical fastener.This little web member comprises nail, screw rod, bolt, pin, rivet, hinge, chain, cable, rope, cord etc.
In certain embodiments, support 132 provides support for mixer shafts 116 and back shaft 102.Support 132 can comprise various fasteners 134 for being coupled with the vessel filling liquid by support 132 and hole.
In yet another embodiment, the axle collar 138 is coupled to support mixer shafts 116 in the cradle 140 with mixer shafts 116.The axle collar 138 can be adjustable (for example, by loosening screw rod) to allow to adjust the height of hybrid element relative to pipe 106.In other embodiments, mix axle 116 and to comprise, there is the top section larger than base section diameter through machining.This embodiment will support mixing axle when not needing the axle collar 138.
Assembly described herein can be made by various material, and these materials are including but not limited to copper, steel (comprising non-finished steel or galvanized steel), cast iron, brass, aluminium, titanium, nickel, other metal and metal alloy, Polyvinylchloride (PVC), chlorinated polyvinyl chloride (CPVC), crosslinked high density polyethylene (PEX), polybutylene (PB), acronitrile-butadiene-styrene (ABS) etc.This little material should not react with fluid to be mixed in fact.Material is formed as assembly described herein by various technique, and these processes comprise casting, molded, machining, milling, punching press etc.
Equipment described herein allows the fluid mixing low level when air not being incorporated into fluid.As depicted in FIG. 1, in certain embodiments, hybrid element 118 can have the height shorter than the height of pipe 106.Therefore, if there is sufficient ink in vessel to allow viscosity measurement, so hybrid element will be submerged.
Although embodiment described herein discusses the mixer integrated with viscosity meter, the present invention is encompassed in the mixer that all can operate when having or do not have viscosity meter.This little mixer can be configured to be installed on viscosity meter and/or according to identical or similar principles described herein and configure.
Mixer provided herein can be configured and operate in every way.In one embodiment, mixer (and viscosity meter, if combined) is introduced in vessel, in certain embodiments described vessel when mixer is introduced will containing or will not fluid be contained.Mixer can be configured to independent of viscosity meter or be relevant to viscosity meter and operate.
In separate configurations, the movement of hybrid element 118 is not by the impact of the operation of viscosity meter.For example, whether mixer continues vibration and just samples at convection cell regardless of viscosity meter.
In relevant configuration, the movement of hybrid element 118 is subject to the impact of the operation of viscosity meter.For example, mixer normally to set hunting speed and/or frequencies operations, but just can stop when convection cell samples when viscosity meter or is reducing hunting speed/frequency.When sampling completes, viscosity meter can turn back to normal oscillation speed in frequency.
Aforementioned specification and form its part graphic in nature for illustrative and demonstrate some preferred embodiment of the present invention.But will be appreciated that and understand, described explanation should not be considered as limitation of the present invention, because those skilled in the art can make many changes, amendment and change wherein when not deviating from base region of the present invention, spirit or intention.
Claims (15)
1. a viscosity control system, it comprises:
Viscosity meter;
Comprise the hybrid element of peripheral wall, described hybrid element can around an axis vibration, and described axis is arranged in the plane of any be tangential on the described wall of described hybrid element, and wherein said hybrid element is the cylinder for mixing;
Be fixedly attached to the axle of described hybrid element, described axle is centered by described axis; And
Take into account described axle with described viscosity to be situated between the actuator connect, wherein said actuator makes described axle and described hybrid element vibrate around described axis.
2. viscosity control system according to claim 1, wherein said hybrid element comprises the multiple holes extended through described wall.
3. viscosity control system according to claim 2, wherein said hole is the hole of essence circle.
4. viscosity control system according to claim 1, wherein said actuator comprises the piston being positioned at cylinder at least in part.
5. viscosity control system according to claim 4, wherein said axle comprises the lever arm that is attached to described axle rigidly and described piston comprises piston rod, and described piston rod extends in the outside of described cylinder to engage described lever arm and to make when pressure is applied to described piston described axle vibrate along first direction at least in part.
6. viscosity control system according to claim 5, it comprises pipe further, and compressed air is supplied to described cylinder pressure to be applied to the described piston in described cylinder by described pipe.
7. viscosity control system according to claim 5, wherein said actuator comprises the flexible member with first end and the second end further, described first end is attached to described lever arm and described second end is attached to described cylinder, when described pressure is applied to the described piston in described cylinder, described flexible member moves to extended position from neutral position, when discharging the described pressure in described cylinder, described flexible member turns back to described neutral position and rotates described axle along second direction.
8. viscosity control system according to claim 1, wherein hunting range is less than 360 °.
9. viscosity control system according to claim 1, wherein said actuator is configured to just stopping described hybrid element when convection cell samples at described viscosity meter or reducing hunting speed or the frequency of described hybrid element further.
10. a fluid mixer, it comprises:
Comprise the hybrid element of peripheral wall, described hybrid element can around an axis vibration, and described axis is arranged in the plane of any be tangential on the described peripheral wall of described hybrid element, and wherein said hybrid element is the cylinder for mixing;
Be fixedly attached to the axle of described hybrid element, described axle is centered by described axis; And
To be situated between the actuator connect with described axle, wherein said actuator makes described axle and described hybrid element vibrate around described axis.
11. fluid mixers according to claim 10, wherein said hybrid element comprises the multiple holes extended through described wall.
12. fluid mixers according to claim 11, wherein said hole is the hole of essence circle.
13. 1 kinds for controlling the method for the viscosity of fluid, described method comprises:
There is provided viscosity control system, described viscosity control system comprises:
Viscosity meter;
Comprise the hybrid element of peripheral wall, described hybrid element can around an axis vibration, and described axis is arranged in the plane of any be tangential on the described wall of described hybrid element, and wherein said hybrid element is the cylinder for mixing;
Be fixedly attached to the axle of described hybrid element, described axle is centered by described axis; And
Take into account described axle with described viscosity to be situated between the actuator connect, wherein said actuator makes described axle and described hybrid element vibrate around described axis;
Use the described viscosity of fluid described in described viscosity meter;
Described hybrid element is positioned in described fluid;
Material is added to described fluid in response to the signal sent by described viscosity meter; And
Make described hybrid element around the vibration of described axis with by described material and described fluid chemical field.
14. methods according to claim 13, the angle of wherein said hybrid element vibration through being less than 360 degree.
15. methods according to claim 13, it comprises the hunting speed or the frequency that to stop described hybrid element when described viscosity meter samples described fluid or reduce described hybrid element further.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16280209P | 2009-03-24 | 2009-03-24 | |
| US61/162,802 | 2009-03-24 | ||
| PCT/US2010/028467 WO2010111366A1 (en) | 2009-03-24 | 2010-03-24 | Mixers for a viscometer and methods and computer-readable media for using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102460112A CN102460112A (en) | 2012-05-16 |
| CN102460112B true CN102460112B (en) | 2015-04-08 |
Family
ID=42781472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080019964.0A Expired - Fee Related CN102460112B (en) | 2009-03-24 | 2010-03-24 | Mixers for a viscometer and methods and computer-readable media for using the same |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8313230B2 (en) |
| CN (1) | CN102460112B (en) |
| BR (1) | BRPI1014747A2 (en) |
| WO (1) | WO2010111366A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10451532B2 (en) | 2010-04-26 | 2019-10-22 | Rheosense, Inc. | Portable viscometer |
| CN102270002B (en) * | 2011-04-01 | 2013-04-24 | 天津大学 | System capable of controlling viscosity of electric spindle lubricant and method thereof |
| EP2657027A1 (en) * | 2012-04-27 | 2013-10-30 | Bobst Italia S.P.A. | Agitator and viscometer assembly |
| CN113155673A (en) * | 2014-04-11 | 2021-07-23 | 电流感应器公司 | Viscometer and method of using same |
| US10037147B2 (en) | 2015-12-14 | 2018-07-31 | International Business Machines Corporation | Sharing files in a multisystem environment |
| CN109298736B (en) * | 2018-11-06 | 2022-01-28 | 常德金鹏印务有限公司 | Automatic control system for viscosity of printing ink |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3686931A (en) * | 1970-02-12 | 1972-08-29 | Norcross Corp | Detector for viscosity measuring system |
| US5677481A (en) * | 1996-03-08 | 1997-10-14 | Markem Corporation | Viscosity maintenance |
| US5704382A (en) * | 1994-05-03 | 1998-01-06 | Hoffmann & Hoffmann Electronic & Electro-Mechanical Engineering | Method and apparatus for controlling the flow of a liquid, and viscosity measuring method therefor |
| US6928860B1 (en) * | 2002-02-08 | 2005-08-16 | King Refrigeration, Inc. | Heat-transfer-inhibiting motor and rotor |
| GB2423584A (en) * | 2002-02-08 | 2006-08-30 | Uni Chemical Co Ltd | A magnetic stirring device for viscosity measurement |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2491389A (en) * | 1944-09-01 | 1949-12-13 | Austin S Norcross | Apparatus for measuring the viscosity of a liquid in a tank |
| US2630819A (en) * | 1948-06-09 | 1953-03-10 | Austin S Norcross | Method and apparatus for controlling the viscosity of a processing liquid |
| US3512396A (en) * | 1967-06-29 | 1970-05-19 | Dainippon Ink & Chemicals | Falling body viscosimeter |
| US5959196A (en) | 1996-09-10 | 1999-09-28 | Norcross Corporation | In-line viscometer |
| JPH11295205A (en) * | 1998-04-09 | 1999-10-29 | Kanegafuchi Chem Ind Co Ltd | Apparatus and method for stirring |
-
2010
- 2010-03-24 WO PCT/US2010/028467 patent/WO2010111366A1/en active Application Filing
- 2010-03-24 BR BRPI1014747A patent/BRPI1014747A2/en not_active IP Right Cessation
- 2010-03-24 CN CN201080019964.0A patent/CN102460112B/en not_active Expired - Fee Related
-
2011
- 2011-09-01 US US13/223,764 patent/US8313230B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3686931A (en) * | 1970-02-12 | 1972-08-29 | Norcross Corp | Detector for viscosity measuring system |
| US5704382A (en) * | 1994-05-03 | 1998-01-06 | Hoffmann & Hoffmann Electronic & Electro-Mechanical Engineering | Method and apparatus for controlling the flow of a liquid, and viscosity measuring method therefor |
| US5677481A (en) * | 1996-03-08 | 1997-10-14 | Markem Corporation | Viscosity maintenance |
| US6928860B1 (en) * | 2002-02-08 | 2005-08-16 | King Refrigeration, Inc. | Heat-transfer-inhibiting motor and rotor |
| GB2423584A (en) * | 2002-02-08 | 2006-08-30 | Uni Chemical Co Ltd | A magnetic stirring device for viscosity measurement |
Also Published As
| Publication number | Publication date |
|---|---|
| US8313230B2 (en) | 2012-11-20 |
| CN102460112A (en) | 2012-05-16 |
| BRPI1014747A2 (en) | 2016-04-12 |
| US20120075949A1 (en) | 2012-03-29 |
| WO2010111366A1 (en) | 2010-09-30 |
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